** Also affects: linux (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1755384

Title:
  hot-add memory can't be recognized for ubuntu-16.04.4-desktop-64 in
  ESXi

Status in linux:
  Confirmed
Status in linux package in Ubuntu:
  New

Bug description:
  hot-add memory can't be recognized for ubuntu-16.04.4-desktop-64 in
  ESXi.

  
  Reproduce:
  ---------------------
  1. create VM with default setting in ESXi 6.5 / on-developing ESXi build 
7940658

  2. install geustOS zyh-ubuntu16.04.4-dsktop-64 image.

  3. reboot it after finish installation

  4. edit VM setting and enable hot-add CPU and memory

  5. open a terminal and type command "ls /sys/devices/system/memory", 
     find memory0 -- memory7 listed.

  6. edit VM setting and set default 1024M memory to 2048M

  7. type command "ls /sys/devices/system/memory", it still lists 
memory0-memory7.  
     No more memoryX is added.

     The hot-add memory can't be recognized.

  Expect:
  For step 7, it should list memory8--memory15 when type "ls 
/sys/devices/system/memory".

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